388744923

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{1487}}^1$

素因数の和:1767

約数の個数: 32

約数和(自身を含む): 605675520

約数和(自身を除く): 216930597

約数列:

[1, 3, 7, 21, 59, 177, 211, 413, 633, 1239, 1477, 1487, 4431, 4461, 10409, 12449, 31227, 37347, 87143, 87733, 261429, 263199, 313757, 614131, 941271, 1842393, 2196299, 6588897, 18511663, 55534989, 129581641, 388744923]

約数ペア:

[(1, 388744923), (3, 129581641), (7, 55534989), (21, 18511663), (59, 6588897), (177, 2196299), (211, 1842393), (413, 941271), (633, 614131), (1239, 313757), (1477, 263199), (1487, 261429), (4431, 87733), (4461, 87143), (10409, 37347), (12449, 31227)]